Patch conversation home from realtime events

android/app/src/main/java/com/hyzq/boss/MainActivity.java

@@ -581,9 +581,43 @@ public class MainActivity extends AppCompatActivity {
         if (isDuplicateRealtimeEvent(eventFingerprint, now)) {
             return;
         }
+        if ("conversations".equals(activeTab) && tryApplyConversationRealtimePatch(event)) {
+            return;
+        }
         runOnUiThread(this::scheduleRealtimeRefresh);
     }
 
+    private boolean tryApplyConversationRealtimePatch(BossRealtimeEvent event) {
+        if (event == null || conversationsData == null) {
+            return false;
+        }
+        if (!"conversation.updated".equals(event.eventName)
+                && !"project.messages.updated".equals(event.eventName)) {
+            return false;
+        }
+        String affectedProjectId = event.payload.optString("projectId", "").trim();
+        if (affectedProjectId.isEmpty()) {
+            return false;
+        }
+        JSONObject conversationItem = event.payload.optJSONObject("conversationItem");
+        if (conversationItem == null) {
+            return false;
+        }
+        runOnUiThread(() -> {
+            if (conversationsData == null) {
+                scheduleRealtimeRefresh();
+                return;
+            }
+            conversationsData = WechatSurfaceMapper.mergeConversationHomeItem(
+                    conversationsData,
+                    conversationItem,
+                    affectedProjectId
+            );
+            renderCurrentTab();
+        });
+        return true;
+    }
+
     private void scheduleRealtimeRefresh() {
         if (realtimeRefreshScheduled) {
             return;

android/app/src/main/java/com/hyzq/boss/WechatSurfaceMapper.java

@@ -383,6 +383,35 @@ public final class WechatSurfaceMapper {
         return sortConversationItems(passthrough);
     }
 
+    public static JSONArray mergeConversationHomeItem(JSONArray source, JSONObject item, String affectedProjectId) {
+        if (source == null) {
+            return null;
+        }
+        JSONArray merged = new JSONArray();
+        String normalizedAffectedProjectId = affectedProjectId == null ? "" : affectedProjectId.trim();
+        String replacementConversationId = item == null ? "" : item.optString("conversationId", "").trim();
+        String replacementFolderKey = item == null ? "" : item.optString("folderKey", "").trim();
+        for (int index = 0; index < source.length(); index += 1) {
+            JSONObject existing = source.optJSONObject(index);
+            if (existing == null) {
+                continue;
+            }
+            if (shouldReplaceConversationItem(
+                    existing,
+                    normalizedAffectedProjectId,
+                    replacementConversationId,
+                    replacementFolderKey
+            )) {
+                continue;
+            }
+            merged.put(copyJson(existing));
+        }
+        if (item != null) {
+            merged.put(copyJson(item));
+        }
+        return sortConversationItems(merged);
+    }
+
     private static JSONObject buildFolderArchiveItem(String folderKey, List<JSONObject> items) {
         List<JSONObject> sortedByLatest = new ArrayList<>(items);
         sortedByLatest.sort((left, right) -> compareConversationFreshness(right, left));
@@ -488,6 +517,42 @@ public final class WechatSurfaceMapper {
         return sorted;
     }
 
+    private static boolean shouldReplaceConversationItem(
+            JSONObject existing,
+            String affectedProjectId,
+            String replacementConversationId,
+            String replacementFolderKey
+    ) {
+        if (!replacementConversationId.isEmpty()
+                && replacementConversationId.equals(existing.optString("conversationId", "").trim())) {
+            return true;
+        }
+        if (!replacementFolderKey.isEmpty()
+                && replacementFolderKey.equals(existing.optString("folderKey", "").trim())) {
+            return true;
+        }
+        if (affectedProjectId.isEmpty()) {
+            return false;
+        }
+        if (affectedProjectId.equals(existing.optString("projectId", "").trim())) {
+            return true;
+        }
+        return arrayContainsString(existing.optJSONArray("searchTargetProjectIds"), affectedProjectId);
+    }
+
+    private static boolean arrayContainsString(JSONArray source, String target) {
+        if (source == null || target == null || target.trim().isEmpty()) {
+            return false;
+        }
+        String normalizedTarget = target.trim();
+        for (int index = 0; index < source.length(); index += 1) {
+            if (normalizedTarget.equals(source.optString(index, "").trim())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     private static int compareConversationFreshness(JSONObject left, JSONObject right) {
         String leftAt = left.optString("latestReplyAt", "");
         String rightAt = right.optString("latestReplyAt", "");